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Ever wonder why stalled fans can tear themselves apart? Here's a real-world insight into the phenomenon of fan surge and stalling - A few years ago, a 60-inch plenum fan in a pharmaceutical building in Puerto Rico tore itself apart overnight. Why? The fan continued to operate against closed dampers, a situation known as "dead heading," leading to severe mechanical stress and eventual failure. Fan blades stall individually, creating a microclimate of pressure fluctuations. This can cause the entire system to "rock and roll," with air output varying dramatically from one side to another. Such conditions not only strain the system but can lead to catastrophic failure when least expected – often overnight when no one is around to notice! Remember, HVAC systems are like flying fatigue tests; they need regular checks to prevent surprises. Don't let your system fail when you least expect it! This clip is from our video series HVAC 101 on our YouTube Channel HVAC-TV. Watch here: https://lnkd.in/e7kJHH-N

HVAC 101 - Start Your HVAC Journey Here

HVAC 101 - Start Your HVAC Journey Here

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